Session_10_Powerpoint

Session_10_Powerpoint - the floor by pulling on an attached...

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PHYS 1100 SI Session 10 2/27/2012 Coates 218 Leader – Mel Triay
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Agenda Friction (General) Kinetic Friction Static Friction
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How Friction Behaves Magnitude of Friction Force S l o p e = 1 Zero slope, constant Static Range Kinetic Range
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Friction
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Example 1
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Answer
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Practice Set 1
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Answers
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Static Friction Variable, depending on the situation ‘Minimum force to move…’ and ‘maximum force w/o motion’ problems Testing for motion
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Example 2 A toy chest and its contents have a combined weight of 180 N. The coefficient of static friction between toy chest and floor is 0.42. A child attempts to move the chest across
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Unformatted text preview: the floor by pulling on an attached rope. (a) If is 42, what is the magnitude of the force that the child must exert on the rope to put the chest on the verge of moving? Answer Practice Set 2 Answer Static Friction Does it move? Example 3 Answer Connected bodies Example 4 Answer Practice Set 3 a. Two blocks of mass 20kg and 18kg are arranged as shown. The ramp is frictionless. What is the acceleration when the system is released? Find the tension in the cord. 2 18 35 deg Practice Set 3 11 13. 5 Answers...
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This note was uploaded on 03/29/2012 for the course PHYSICS 1100 taught by Professor Giammanco during the Spring '08 term at LSU.

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Session_10_Powerpoint - the floor by pulling on an attached...

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